Final climb to Lagunas de Neila from Quintanar de la Sierra (l. 12.0 km, a. 1854 m, a.s. 6.0%, m.s. 17%) in stage 4 of the Vuelta a Burgos 2006. Featuring a.o. Mauricio Soler, Alberto Contador, Iban Mayo, Dani Moreno, Sergio Ghisalberti, Ezequiel Mosquera, José Pecharroman, Alexis Rodriguez, Ricardo Serrano, Julián Sanchez.